| /******************************************************************************* |
| * Copyright (c) 2010, 2015 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| ******************************************************************************/ |
| |
| package org.eclipse.ui.internal.handlers; |
| |
| import javax.inject.Inject; |
| import org.eclipse.core.commands.AbstractHandler; |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.e4.ui.workbench.modeling.EModelService; |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.ui.IPerspectiveDescriptor; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.handlers.HandlerUtil; |
| import org.eclipse.ui.internal.WorkbenchMessages; |
| import org.eclipse.ui.internal.WorkbenchPage; |
| import org.eclipse.ui.internal.WorkbenchPlugin; |
| import org.eclipse.ui.internal.dialogs.SavePerspectiveDialog; |
| import org.eclipse.ui.internal.registry.PerspectiveDescriptor; |
| import org.eclipse.ui.internal.registry.PerspectiveRegistry; |
| |
| /** |
| * |
| * @author Prakash G.R. |
| * |
| * @since 3.7 |
| * |
| */ |
| public class SavePerspectiveHandler extends AbstractHandler { |
| |
| @Inject |
| EModelService modelService; |
| |
| @Override |
| public Object execute(ExecutionEvent event) { |
| |
| IWorkbenchWindow activeWorkbenchWindow = HandlerUtil.getActiveWorkbenchWindow(event); |
| if (activeWorkbenchWindow != null) { |
| WorkbenchPage page = (WorkbenchPage) activeWorkbenchWindow.getActivePage(); |
| if (page != null) { |
| PerspectiveDescriptor descriptor = (PerspectiveDescriptor) page.getPerspective(); |
| if (descriptor != null) { |
| if (descriptor.isSingleton()) { |
| saveSingleton(page); |
| } else { |
| saveNonSingleton(page, descriptor); |
| } |
| } |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Save a singleton over itself. |
| */ |
| private void saveSingleton(IWorkbenchPage page) { |
| MessageDialog d = new MessageDialog(page.getWorkbenchWindow().getShell(), |
| WorkbenchMessages.SavePerspective_overwriteTitle, null, |
| WorkbenchMessages.SavePerspective_singletonQuestion, MessageDialog.QUESTION, 0, |
| IDialogConstants.OK_LABEL, IDialogConstants.CANCEL_LABEL); |
| if (d.open() == 0) { |
| page.savePerspective(); |
| } |
| } |
| |
| /** |
| * Save a singleton over the user selection. |
| */ |
| private void saveNonSingleton(IWorkbenchPage page, PerspectiveDescriptor oldDesc) { |
| // Get reg. |
| PerspectiveRegistry reg = (PerspectiveRegistry) WorkbenchPlugin.getDefault().getPerspectiveRegistry(); |
| |
| // Get persp name. |
| SavePerspectiveDialog dlg = new SavePerspectiveDialog(page.getWorkbenchWindow().getShell(), reg); |
| // Look up the descriptor by id again to ensure it is still valid. |
| IPerspectiveDescriptor description = reg.findPerspectiveWithId(oldDesc.getId()); |
| dlg.setInitialSelection(description); |
| if (dlg.open() != IDialogConstants.OK_ID) { |
| return; |
| } |
| |
| // Create descriptor. |
| PerspectiveDescriptor newDesc = (PerspectiveDescriptor) dlg.getPersp(); |
| if (newDesc == null) { |
| String name = dlg.getPerspName(); |
| newDesc = reg.createPerspective(name, (PerspectiveDescriptor) description); |
| if (newDesc == null) { |
| MessageDialog.openError(dlg.getShell(), WorkbenchMessages.SavePerspective_errorTitle, |
| WorkbenchMessages.SavePerspective_errorMessage); |
| return; |
| } |
| } |
| |
| // Save state. |
| page.savePerspectiveAs(newDesc); |
| } |
| } |